Selvage-reenforcing attachment for full-fashioned knitting machines



Ml ZWICKY. SELVAGE REENFORCING ATTACHMENT FOR FULL FASHIONED KNIITING MACHINES.

I APPLICATION FILED JAN. Z. IIIZU.

MELCHIOR ZWICKY, OF WYOMISSING, PENNSYLVANIA, ASSGNOR TO TEXTILE MACHINE WORKS, OF WYOIVIISSING, PENNSYLVANIA, A CORPORATION OF PENNSYLVANIA.

Application filed January 20, 1920.

T o aZZwLom-z' may concern.'

Be it known that I, MELcHioR ZwiCKY, a citizen of the United States, residing at lVyomissing, in the county of Berks and State of Pennsylvania, have invented certain new and useful Improvements in Selvage- Reenforcing Attachments for Full-Fash ioned Knitting Machines, of which the following is a specification.

This invention relates to full fashioned knitting. machines, and particularly to means for forming a re-enforced selvage edge on the knitted fabric as hereinafter fully described in connection with the accompanying drawing, the novel features being specilically pointed Out in the claim.

Fig. 1 is a cross-sectional view throughian end portion of a full fashioned knitting machine, showing a plating narrowing nut embodyngmy invention and its relation to certain coacting parts of the machine.

Fig. 2 is a corresponding enlarged view of the inner or plating carrier-rod stop nut, showing the specially providedl stop member in operative position, with the plating stop member indicated in retracted position.

Fig. 3 isy a plan view corresponding with Fig. 2, the plating stop -member being removed.

Fig. 1 is a cross-sectional view on the line t-Jl of Fig. 2` the plating stop member being indicated in its operative position.

The type of machine to which my invention applies is sufficiently indicated in 1, and the stop nut arrangement to which it is particularly adapted is more fullyset forth in .lanssen-Zwicky Patent No. 1,079,915, is-

sued November 25, 1913; the series of threadcarrier rods 10 extending througha passageway 11 in the stop nut 12 therefor as shown in the drawings, to the usual end stop nut which is not illustrated.

Both these stop nuts are carried by the controlling screw 13, which latter isoperated as usual to automatically position them for the narrowing operation. The carrier rods are operated by the usual coulier movement through coulier lever 14 and rod connected friction boxes 15 on friction rod Specification of Letters Patent.

a SELVAGE-REENFORCING ATTACHMENT FOR FULL-FASHIONED KNITTING MACHINES.

Serial No. 352,798.

16, the actual movements of the rods in one direction beine limited by said end stop nut and in the otlier by said stop nut 12, the latter being termed the plating stop nut as it is particularly adapted for cooperation with carrier rods which are provided with plating threads for well known plating operations.

These plating rods 10u are provided with properly fixed stop dogs 20, which at determined times contact `with aplating rod stop member 21 said member 21 being pivoted at 22, and its pivotal movements being` auto- Patented Inlay 23, 1922..

matically effected by a controller bar 23 so l as to lower said stop member into the recess 31 between therigid top bars 30 30 of the nut extension for contact with said dogs 20 as indicated in Figs. 1 and 4; or so as to raise the saine, as indicated in Fig. 2, to permit free passage of said dogs through the nut passage-way 11".'

Then plating is employed merely to reenforce the stocking at heel and toe, as is commonly done, it is desirable that provision be made for reenforcing the selvage edges of theJ stocking beyond said plated portions. For this purpose l provide selvage threadncarrier rods 10b, each having a specially located stop dog 40and in connection therewith I provide said plating stop nut 12 with a separate selvage rod stop member 41 arranged to swing thereon in a different plane from that of the plating rod stop member 21; said selvage rod stop member being pivoted at 42 against the outer face of a rigid top bar 30v of the nut, and having its free end adapted to seat in a fixed lock 43 thereon when its dog engaging vportion 44 depends into the rod passage way l1 so as to contact with the selvage rod dog 40. The other selvage rod 1()b is controlled `at the opposite end of the machine in a similar manner.

During the plating operation the plating stop member 21 is automatically operated as usual, with the selvage' stop member 41 thrown out of action: and when the plating operation is stopped as usual. the'sel vage rod is merely thrown into operation with the selvage stop member in acting position, the

lixed narrowing movement of the Stop nut l2 serving :alike for both the plating :intl selmge rxr-enforcing operations.

vliet l Claim is:

In a full fashioned knitting machine lluving a uri-ier rod stop screw, thread Carrier rods certain of which curry seli'uge threads and ure provided with stop dogs, und others of which carry plating threads only and are provided with differently located dogs, and a plating nut on said screw carrying both a plating rod stop member and a Separate selvzige rod stop member, said members loeing arranged to swing independently into and out of dog-contacting position.

In testimony whereof I aiiix my signature.

MELCHIOR ZWICKi 

